<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../../layui/css/layui.css" media="all"/>
</head>
<body>
<div style="margin: 10px;">
    <ul id="demo"></ul>
</div>
<script type="text/javascript" src="../../layui/layui.js"></script>
<script type="text/javascript" src="menuTree.js"></script>
</body>
</html>